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A vehicle camera is installed on the front grill of a Hyundai Motors' Grandeur sedan at Hyundai Mobis Research Centre in Yongin, in this file photo taken July 16, 2014. South Korean automaker Hyundai Motor posted the biggest gains in the number of patent filings over the past five years, narrowing the gap with industry leader Toyota, according to a report by Thomson Reuters IP & Science released Monday. REUTERS/Kim Hong-Ji/Files (SOUTH KOREA - Tags: BUSINESS TRANSPORT SCIENCE TECHNOLOGY)